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Editorial Team
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Asked: 2026-05-14T00:54:03+00:00

In my Xcode project’s plist file, I can see the value for the key

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In my Xcode project’s plist file, I can see the value for the key CFBundleIdentifier is:

com.mycompany.${PRODUCT_NAME:rfc1034identifier}

Obviously I will have to change com.mycompany to the domain name of my company, but I have no idea whether the rfc1034identifier should be removed so that it becomes:

com.mycompany.${PRODUCT_NAME}

Google did not help answering my question.
Does this rfc1034identifier affect the AppID that I should provide in the iPhone Developer program – Provisioning Portal?

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1 Answer

  1. Editorial Team

    The :rfc1034identifier just formats it (if needed) so there are no illegal characters* in the bundle name. You’re unlikely to have a product that is called by an illegal character but it’s not impossible.

    I’d leave it in there but it’s really up to you.

    (Actually, most of the time I just hardcode the bundle – that way if the product name changes for any reason, it’s still got the same bundle identifier when I come to update it in the app store)

    *such as a space or a dot – they will be replaced with a dash so ‘My Game’ would become ‘My-Game’

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